CAMVATE Metal Clamp Color: Black body, red screw head Material: High-quality aluminum, good finish, durable. Includes: 1 x Super Clamp + 1 x 1/4" male stepped bolt (stepped bolt with screw head) Screw Holes: Super Clamp: five 1/4"-20 & one 3/8"-16 (removing the stepped bolt reveals a 1/4" male thread) Stepped Bolt: 1/4"-20 male & female (removing the 1/4" screw head reveals a 1/4" female thread) Advantages: Compared to standard super clamps with only two 1/4" and 3/8" screw holes, this clamp has a total of six screw holes: two on top (1/4" and 3/8"), and two each on the left and right sides. Also, the stepped bolt that is fixed to the top 1/4" screw hole of the clamp is easy to attach and detach. Therefore, it is very convenient and easy to use in any configuration. Material: Aluminum Brand: CAMVATE Product Dimensions (L x W x H): 8 x 6 x 3 cm Color: Black, Red Style: Industrial Item Weight: 143 grams